Goodstein, D. L. and Saffman, P. G. (1971) The Two Fluid Model of the Helium Film. Proceedings of the Royal Society of London. Series A, Mathematical, Physical and Engineering Sciences, 325 (1563). pp. 447-468. ISSN 0962-8444. https://resolver.caltech.edu/CaltechAUTHORS:20141222-103114352
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Abstract
Motivated by the recent discovery that the thickness of a helium film is independent of its state of superflow, we have analysed the conditions under which the two fluid model is consistent with equilibrium between film and vapour. The experimental result is found to be a natural consequence of the requirements for equilibrium. In addition we find that waves in a moving film should be convected at approximately 1/2(ρ_s/ρ) u_s, where u_s is the superfluid velocity. A new criterion for critical velocity is discovered and a new result is obtained for the attenuation of waves.
| Item Type: | Article | ||||||
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| Additional Information: | © 1971 The Royal Society. Communicated by R. P. Feynman. For. Mem. R.S.-Received 19 April 1971. | ||||||
| Issue or Number: | 1563 | ||||||
| Record Number: | CaltechAUTHORS:20141222-103114352 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20141222-103114352 | ||||||
| Official Citation: | The Two Fluid Model of the Helium Film D. L. Goodstein and P. G. Saffman Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences Vol. 325, No. 1563 (Dec. 7, 1971) , pp. 447-468 Published by: The Royal Society Stable URL: http://www.jstor.org/stable/77943 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 53083 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 22 Dec 2014 18:38 | ||||||
| Last Modified: | 03 Oct 2019 07:47 |
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